from sqlalchemy import Column, Integer, String, Date, ForeignKey
from sqlalchemy.orm import relationship
from database import Base
#学生信息表模型
class StuInfo(Base):
    __tablename__="stu_info"

    id = Column(String(15),primary_key=True)
    cls_id=Column(String(15),ForeignKey("cls_mgmt.id"),nullable=False)
    name=Column(String(20),nullable=False)
    gender=Column(String(1),default="男")
    age=Column(Integer,default=None)
    hometown=Column(String(50),default=None)
    grad_school=Column(String(50),default=None)
    major=Column(String(50),default=None)
    education=Column(String(20),default=None)
    enr_date=Column(Date,default=None)
    grad_date = Column(Date, default=None)
    advisor_id=Column(String(15),ForeignKey("advisor_info.id"),default=None)
    state=Column(String(10),default="在读")
    is_deleted=Column(Integer, nullable=False, default=0)

    cls=relationship("ClsMgmt",back_populates="stu")

    score = relationship("StuScore",back_populates="student")

    adv = relationship("AdvisorInfo", back_populates="students")

    stu_emp_mgmt = relationship(
        "StudentEmployManage",
        back_populates="stu",
        uselist=False,
    )